Midea SBS Series Service Manual
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Midea SBS Series Service Manual

Midea SBS Series Service Manual

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SBS SERIES
Service Manual 2016
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  • Page 1 SBS SERIES Service Manual 2016 1 / 54...
  • Page 2 Service Manual, 2016-12 Service Manual Applicable models Model Code CE-BCD505WE-ST 22031050000381 (The picture is only for reference, and specific appearance and configuration are subject to the real product) Prepared by R&D:HuDahong QA:WangTao Reviewed by SVC:ChenLei R&D:ZhangHaixing Approved by SVC:GuangTaoshuai 1 / 51...
  • Page 3 Manufacturers or distributors are not responsible for the content of the Manual and interpretation thereof. Midea Refrigerators Technical Maintenance Manual Copyright @2016 All rights reserved. Replication of all or part of the Manual in any forms shall not be allowed without written approval by the Overseas Sales Corporation of Midea Refrigerators. 2 / 51...

  • Page 4: Table Of Contents

    Service Manual, 2016-12 Contents 1.Safety Warning Code ............................... 5 1.1Warning for operation safety ......................... 5 1.2Safety instruction for refrigerant ........................8 2.Description for product features ..........................9 3.Installation and commissioning ..........................10 3.1Handling ..............................10 3.2 Door Disassembly and Assembly ....................... 10 3.3 Installation location ............................
  • Page 5 Service Manual, 2016-12 9. Function and operation ..........................35 9.1Operation panel ............................35 9.2Temperature control ............................ 35 9.3give an alarm ............................... 36 9.4 Defrosting ..............................36 9.5 Function Selection ............................36 9.6 Self-diagnosis ............................. 37 9.7Compressor fan control(None) ........................37 9.8 Error code and solution ..........................

  • Page 6: Safety Warning Code

    Service Manual, 2016-12 1.Safety Warning Code 1.1Warning for operation safety 5 / 51...
  • Page 7 Service Manual, 2016-12 6 / 51...
  • Page 8 Service Manual, 2016-12 7 / 51...

  • Page 9: Safety Instruction For Refrigerant

    Service Manual, 2016-12 1.2Safety instruction for refrigerant 8 / 51...

  • Page 10: Description For Product Features

    Service Manual, 2016-12 2.Description for product features This product is provided with following features: (The picture is only for reference, and specific appearance and configuration are subject to the real product) 1) Frost free design. 2) Electronic temperature control, more accurate temperature control. 3) Automatic ice maker, options for ice cube, crushed ice and cooling water 9 / 51...

  • Page 11: Installation And Commissioning

    Service Manual, 2016-12 3.Installation and commissioning 3.1Handling 1) Protecttherefrigeratorinmovingit ,Same asshownasleftphoto,pleasemoveitby handcartwithcushion 2) Removeallpackingmaterialsandbottom cushion,thenmoveintohouseforplacement 3) Aftermovingittoappropriatelocation,waitfor 2hoursbeforepoweron. 3.2 Door Disassembly and Assembly The refrigerator door needs to be dismantled if it cannot enter the room in the whole. disassembly Disassembly of Freezer door 1.Use cross screwdriver to remove the screws by anticlockwise, and then take out the protective cover.
  • Page 12 Service Manual, 2016-12 3.2As shown as right photos, use screwdriver to remove the 2 pcs screws, and then remove the upper hinge cover. 4.Disconnect the fast connectors, then use cross screwdriver or socket spanner to remove the 2pcs M5 screws and 1 pc grounding screw by anticlockwise. 5.Lift up the freezer door until the hinge axis separated from the axis hole of door, then carry the door to a suitable place.
  • Page 13 Service Manual, 2016-12 3.Lift up the refrigerator door until the hinge axis separated from the axis hole of door, then carry the door to a suitable place. Assembly Assembly of freezer door 1.Put the freezer door down gently until the axis of hinge inserted into the axis hole of door completely.
  • Page 14 Service Manual, 2016-12 5.Assemble the protective cover and fix the screws assembly of refrigerator door 1.Put the refrigerator door down gently until the axis of hinge inserted into the axis hole of door completely, and then closes the door, to make sure the refrigerator door fit the cabinet closely.

  • Page 15: Installation Location

    Service Manual, 2016-12 3.3 Installation location Location that is easy for ventilation shall be chosen facilitate heat dissipation, enhance performance and reduce the energy consumption. 3.4 Leveling of the refrigerator If the refrigerator cannot be placed steadily, adjust the footing to level it. 3.5Door reversal (None) 3.6 Installation of handle Note: Figures in the user manual are only for reference.

  • Page 16: Installation Of Door Lock(None)

    Service Manual, 2016-12 a. fix the bolt of handle b. tighten the screw of hanle c. cover screw hole by cap (Pictures and objects are not consistent, in order to prevail in kind) 3.7 Installation of door lock(None) 3.8 Adjustment to level the door a.

  • Page 17: Terms

    Service Manual, 2016-12 4.Terms 4.1 Definition of model(None) 4.2Location of nameplate (The picture is only for reference, and specific appearance and configuration are subject to the real product) 16 / 51...

  • Page 18: Product Specification

    Service Manual, 2016-12 5.Product specification 5.1 Typespecification(None) 5.2 Electrical parameters CE-BCD505WE-ST Product Name 22031050000381 Product Code Name Item Type Specification Specification Compressor LU118PY1 Starter Overload B69-120 P A protector Winding U-W:12.4Ω±5% resistance of U-V:12.4Ω±5% Compressor compressor wiring W-V:12.4Ω±5% terminal Variable frequency driver board Fan motor of the...

  • Page 19: 制冷温度 Inside Temperature

    Service Manual, 2016-12 5.3 制冷温度 Inside temperature Temperature tolerance ≤ 2°C Compartment The highest ( Lowest ( Freezing Refrigerating Variable temperature 5.4 除霜部件 Defrosting parts Defrosting period Initial defrosting period Normal defrosting period Temperature is lower than 0 6~24 hours Defrosting sensor B3839 Defrosting temperature controller...

  • Page 20: Internal View And Dimension

    Service Manual, 2016-12 6.Internal view and dimension 6.1Main parts and their names (The picture is only for reference, and specific appearance and configuration are subject to the real product) Freezer Refrigerator 1. door rack 6.shelf 2. door rack 7. shelf 3.

  • Page 21: External Dimension

    Service Manual, 2016-12 6.2External dimension Front view Side view Down view Open Door Maximum open angle of door(135°) (The picture is only for reference, and specific appearance and configuration are subject to the real product) 20 / 51...

  • Page 22: Refrigerating Piping System And Circulating Route Of Cooling Air

    Service Manual, 2016-12 7.Refrigerating piping system and circulating route of cooling air 7.1 Refrigerating piping system 1 Compressor→2 Transition pipe→3 Back Condenser→4 Left Condenser→5 Anti-water condensed pipe→6 Right Condenser→7 Drier→8 Capillary Tube→9 Evaporator→10 Suction Pipe→11 Suction conection Pipe→1 Compressor (The picture is only for reference, and specific appearance and configuration are subject to the real product) 7.2Circulating route of cooling air FRZ.

  • Page 23: Dismantling Of Parts

    Service Manual, 2016-12 (The picture is only for reference, and specific appearance and configuration are subject to the real product) 8. 8. Dismantling of parts 8.1 Parts on the door Door seal 22 / 51...

  • Page 24: Parts Inside The Refrigerator

    Service Manual, 2016-12 Door seal is installed into door liner groove. Open the refrigerator door; Take the door seal out of door liner; Door tray While squeezing it inward, lift up the baffle and take it out from refrigerator liner. Door stopper None rollover beam...

  • Page 25: Light System

    Service Manual, 2016-12 The drawer is located at the bottom of freezing and refrigerating chambers; Pull the drawer out completely; Lift it up slightly and take it out from the refrigerator. 8.3 Light system Light 1) Turn over the lampshade hard with your hands or two flat-blade screwdrivers at two grooves marked with red circles shown in the picture and take it down...

  • Page 26: Air Duct Components Refrigeratingchamber

    Service Manual, 2016-12 2 Press the snap joint in the circle and push it outward along the arrow direction. Complete the disassembly of door light switch. Pilot light None Fresh light None Air duct components refrigeratingchamber 1） Remove by cross screwdriver the screws on the positions shown in the picture anticlockwise.
  • Page 27 Service Manual, 2016-12 1） First, take out the screw cap of air duct cover with flat-blade screwdriver or blade; then, remove by cross screwdriver the two screws fixing air duct cover anticlockwise. 2） As shown in the right picture, catch hold of upper part of freezing air duct as shown in the picture, pull it outward along the arrow direction with strength until air duct is separated from...

  • Page 28: Evaporator And Temperature Sensing System

    Service Manual, 2016-12 After the removal of cover plate of upper air duct in freezing chamber. Pull the motor fan of upper air duct in freezing chamber outward to make the fan blade separate from the motor. 2） Remove by cross screwdriver the two fixing screws anticlockwise.
  • Page 29 Service Manual, 2016-12 None Fuse Disconnect the fuse connector. Cut off the band which fixes the fuse. Separate the fuse and the evaporator. *Dont break the welding of the evaporator in case that only the fuse needs to be replaced. Defrost sensor The defrost sensor is located on top of the evaporator.

  • Page 30: Compressor Case

    Service Manual, 2016-12 2) Sensor in refrigerating chamber Refer to the method of disassembling the freezer compartment sensor. 3) Sensor in chamber Variable temperature None 4) Ambient temperature sensor The sensor used for measurement of ambient temperature is located within upper hinge cover of refrigerating chamber door;...

  • Page 31: Display Control Board

    Service Manual, 2016-12 1 Compressor 2 Transition pipe 3 Back Condenser 4 Left Condenser 5 Anti-water condensed pipe 6 Right Condenser 7 Drier 8 Capillary Tube 9 Suction conection Pipe Display control board 1)Use vacuum cap to pull the control panel outwards 2 Disconnect the fast connector, then remove the control 30 / 51...

  • Page 32: Main Control Boardl

    Service Manual, 2016-12 8.9Main control boardl Have variable frequency driver board 1)remove the screw anticlockwise,then remove the PCB housing cover 2)Pull the lock of fast connector upwards,then disconnect the fast connector 3)Remove the screw anticlockwise,then remove the PCB and variable frequency driver board. Without variable frequency driver board remove the screw anticlockwise,then remove the PCB housing cover...

  • Page 33: Bar Counter

    Service Manual, 2016-12 Pull the lock of fast connector upwards,then disconnect the fast connector 3)Remove the screw anticlockwise,then remove the control PCB 8.10Bar counter Disassembly and installation of bar counter 1) Find the position of counter shaft hole as shown in the right picture.

  • Page 34: Water Dispenser(None)

    Service Manual, 2016-12 Water dispenser(None) 8.11 Disassembly and installation of water valve None Disassembly and installation of water tank None 8.12Ice maker disassembly of ice maker(only professionals are permitted to operate) 1) As shown in the photo, please up lift the ice storage box assembly and pull it out, then the ice storage box can be taken out.
  • Page 35 Service Manual, 2016-12 You need a suitable adapter for connecting the water pipe with the water tap. 1) Please insert the water pipe(14) into one end of adapter(13); 2) Fix another end of adapter on the water tap. 3) Remove the cap of water pipe(16); 4) Insert the end of water pipe into one end of fast connector(15);...

  • Page 36: Function And Operation

    Service Manual, 2016-12 9. Function and operation Operation panel Icons: Button: FRZ.TEMP. 1.display zone of frozen temperature REF.TEMP. 2. icon of fast cooling MODE 3. icon of fast freezing ICE OFF DISPENSER 4.display zone of cooling temperature LOCK/UNLOCK 5.vacation icon 6.reminding icon of filter replacement 7.icon of ice maker turn off 8.ice taking icon...

  • Page 37: Give An Alarm

    Service Manual, 2016-12 cooling”->”vacation”->”..” circularly, the icons of corresponding modes will light on/off synchronously Vacation mode: the freezer compartment will work as the setting temperature is -18℃, the refrigerator compartment is turn off; Fast freezing mode: the freezer compartment will work as the setting temperature is -24℃，and after 26 hours the freezer compartment will quit this mode automatically and work according to last temperature setting;...

  • Page 38: Self-Diagnosis

    Service Manual, 2016-12 All below functions are only for diagnosis purpose, we advise to restart the refrigerator by power on/off if have used these functions. Buttons operation: Press both “LOCK/UNLOCK” and “FRZ.TEMP” button last for 3s to enter into/quit mandatory mode, the setting will take effect after locking.

  • Page 39: Circuit Description

    Service Manual, 2016-12 10.Circuit description Power Supply 10.1 AC input power would be reduced by SMPS control chip, then output stable DC12V and DC15V power after treated by LC and filter. DC12V power is provided to relay (control strong electricity), internal lamp and control panel, DC15V powers are provided to fan motor (voltage variation control the RPM of motor, lowest voltage is 8V).

  • Page 40: Temperature Test Circuit

    Service Manual, 2016-12 MCU can judge the door is closed or open. Temperature test circuit 10.3 Take the temperature sensor of freezer compartment as example, this sensor is connected between 10 and 11 serially, by utilizing the characteristic of Ohmic value reduced following the temperature rise, sensor and temperature acquisition circuit constitute voltage divider circuit, MCU figure out the Ohmic value by the divider value, and conclude the freezer compartment temperature according to Ohmic value-temperature value table an motor circuit...

  • Page 41: Ref.fan Motor Circuit(None)

    Service Manual, 2016-12 10.5REF.fan motor circuit(None) 10.6Condenser fan motor circuit(None) 10.7Damper motor circuit The damper is controlled by stepping motor, the output is square wave by control of speical control chip, when the refrigerator comparment request cooling , the motor switch on, otherwise, the motor switch off. Sensor resistance 10.8 (R/T)

  • Page 42: Troubleshooting Method

    Service Manual, 2016-12 11.Troubleshooting Method 11.1No cooling(Air cooling-Electronic) 41 / 51...

  • Page 43: No Working Of Compressor

    Service Manual, 2016-12 11.2No working of compressor 11.3Inside frosting, no defrosting 42 / 51...

  • Page 44: Inside Frosting, No Defrosting-Maintenance Guidelines

    Service Manual, 2016-12 11.4-Inside frosting, no defrosting-Maintenance guidelines 43 / 51...

  • Page 45: Light Is Not On

    Service Manual, 2016-12 11.5Light is not on 11.6Air duct not operated(electronically) 44 / 51...

  • Page 46: Fan Failure

    Service Manual, 2016-12 11.7Fan failure 11.8Defective defrost circuit 45 / 51...

  • Page 47: Noise

    Service Manual, 2016-12 11.9Noise 12. Figures and details of repair parts( Documentsareprovidedseparately 12.1Figures 12.2List of parts and components 13Appendix: 13.1Electrical Schematic Diagram Model：*** 46 / 51...

  • Page 48: Refrigerator Maintenance Tooling And Equipment And Material

    Service Manual, 2016-12 13.2Refrigerator maintenance tooling and equipment and material Tooling Name Photo Main Usage Phillips screwdriver screw assemble and disassemble screw and rivet assemble and slotted screwdriver/scraper disassemble 47 / 51...
  • Page 50 LISTE DES PIECES DETACHEES 12831000009724 Freezer door assembly 12131000009957 Door gasket assembly of freezer 12131000009420 End cap assembly of freezer 17431000000346 open door motor 12131000057780 Seal plate assembly 12231000006450 Fixing plate 12131000057911 Cover assembly 1.6.1 17431000000375 Pillar switch 12831000011361 Refrigerator door assembly 12131000010479 Door gasket assembly of refrigerator 12131000009086 end cap assembly of refrigerator 12131000006115 Shaft sleave...
  • Page 51 12131000032504 Fixed components 12131000005489 Lamp cover 12131000057959 Air duct components of refrigerator 30.1 17431000000895 Electric damper 12131000001127 Box cover 12131000001072 Box cover 15831000001041 Component supplying fin evaporator 33.1 17431000005003 Defrost heater 12131000000399 Air duct assembly of freezer 12131000003270 Stopper 12231000010116 Drain tray 12131000003208 Stopper 12131000007677 Water tank 12131000057951 Crushed ice assembly...
  • Page 52 12131000000793 Fixing clip 17431000001483 Water valve 15531000000088 Process pipes 15531000000019 Component supplying pipe connector 11101020000522 DC Inverter Reciprocating Compressor 12131000005870 Drain-pipe 15531000001181 Venting Connection tube 17431000000246 Power filter 12231000010143 Compressor mounting panel assembly 17431000001483 Water valve 17431000008661 Power filter 12131000057775 Air duct assembly of freezer 72.1 11002015001688 fan motor 12131000006189 Egg tray...
  • Page 53 Service Manual, 2016-12 Midea Refrigerators If you need to get detailed technical information from the manufacturer, please contact: xxx@midea.com Refrigeration Division Overseas Sales Company Address: No. 176, Jinxiu Avenue, Economic-Technological Development Area, Hefei, Anhui, China 51 / 51...

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